Testosterone is a sex hormone, and I think it is the most social of hormones. The major social effect of testosterone is to orient us toward issues of sex and power. By the end of puberty testosterone levels in males are 8 to 10 times higher than in females, but decrease with age.

You're not a Black man. You're a human being in God's eyes. So when you sit down to talk to someone and you talk to them in really intelligent terms, you ask difficult questions, there's a militancy that's assigned to you without you asking for it, because you are simply judged by what you look like. If you're a white person asking the same questions, you'd be one of these CNN guys and say how brilliant he is. That doesn't work for you, because this is the world we live in.

When you're interviewing someone, even your mother - you have to sort of deal with you have to get some objective space from yourself and the person but you also have to find what's the best way to get the information from that person.

I'm one of the few Black writers, or African American writers, who managed to work my way through the system so that it has allowed me to speak in a kind of free way. But most African American writers don't have that. They don't have that opportunity, they don't have that.

My whole family was - we grew up in New York, but all my relatives and all my father and stepfather's family, they were all from the South. So I like that old Black voice, and I love the sort of old Black man with a corncob pipe, sitting there telling a whopper.

I'm proud of 'Miracle at St. Anna' and I loved it; there's no question in my mind it's as good as any movie that came out in 2007.

Newt Gingrich wrote a novel, and he's a short story. Bill Clinton wrote a biography, and he's a novel.